Journal of Chest Surgery

The Korean Society for Thoracic and Cardiovascular Surgery (대한심장혈관흉부외과학회)
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Mitral Reconstruction Using Prosthetic Ring in Mitral Valvular Heart Disease

승모판막질환에 있어서 인공판륜을 이용한 승모판막재건술의 임상적 고찰

  • 나명훈 (충남대학교 의과대학 흉부외과학교실) ;
  • 황경환 (충남대학교 의과대학 흉부외과학교실, 인천 중앙길병원 흉부외과, 세종병원 흉부외과)
  • Published : 1997.06.01
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Abstract

Among 136 patients having undergone mitral valve surgery from September of 1994 through August of 1995 in Sejong Heart Institute, forty four patients(18 males, 26 females) underwent mitral valve reconstruction using prosthetic rings and their clinical results were evaluated. Patients'ages ranged from 5 to 63 years(mean age 38.2 years). Mitral valvular diseases were due to rheumatic origin in 30 patients(68%), degenerative in 13(30%), and congenital in one patient(2%). Mitral regurgitation(MR) was in 33 patients(76%), mitral stenosis 2(5%), and mitral stenoinsufaciency 9 patients(19%). The patients were divided into Carpentier's functional groups : type I, 5 patients(11%) : type I, 24 patients(55%) ; type III, 4 patients (9%) i and mixed(II + III), 11 patients(25%). Average number of anatomic lesions of mitral valve per patient was 3.7. The techniques included prosthetic ring amluloplasty(44 patients, 32 Carpentier ring and 12 Duran ring), leaflet mobilization(24, 55%), chordae shortening(23, 52%), chordae transposition(23, 52%), commissurotomy(16, 35%), leaflet resection(9, 20%), papillary muscle splitting(8, 18%), and chordae reimplantation(1, 2%). Average 3.4 surgical procedures were applied on mitral valve per patient. There were two hospital mortality and one reoperation due to development of MR(grade III) after 2 weeks. During the mean follow up of 12 months, patients improved in terms of functional class of the New York Heart Association, which was mean 3.0 preoperatively and 1.3 postoperatively. Doppler echocardiographic studies showed adequate valve area(2.07$\pm$0.11 cm2 mean $\pm$standard error), improved ventricular contractiliy in 41 patients(93%), ab ence of MR in 23(53%), trace MR in 18(42%), and garde II MR in 2 patients(5%).

1994년 9월부러 1995년 8월까지 일년동안 부천 세종병원에서 시행된 승모판막질환 수술은 총 136례였으 며 이중 인공판륜을 사용하여 판막성형술을 시행된 44례를 대상으로 평가하였다 이 44례의 평균 연령은 38.2세(범위: 5세~63세)였으며 남성이 18례 여성이 26례였다, 사용된 인공판륜은 Carpentier ring이 32례, Dmm ring 이 12례였다. 판막질환의 원인은 류마치스가 30례(68%), 퇴행성 질환에 기인한 것이 13례(30%)였으며, 1례는 선천성 승 모판 부전증이었다. 판막질환의 형태로 보면 승모판막부전증이 33례(76%),승모판 협착증이 2 례(5%), 승모판 협착부전증이 9례(19%) 있었다. Carpentier의 기능적 분류는 I형이 5례(11%), II형이 24례(55%), III형이 4례(9%) 있었으며, II형과 III형의 혼합형이 11례(25%)에서 관찰되었고, 매 환자당 평균 3.7가지의 병변이 있었다. 승모판에 시행한 수술 수기는 전례에서 인공판륜성형술을 시행하였으며 한 환자 당 평균 3.4가지의 수기 를 사용하였다. 수술 사망은 2례에서 발생하였으며, 수술 후 승모판 부전증이 진행되어 2주에 시행한 재수술이 일 례 있 었다. 12개월의 추적 관찰에서 수술 전후의 NYHA 기능적 鈞畢\ulcorner평균 3.0에서 1.3으로 개선되었다. 심장 초음파 검사에서 술후의 승모판 면적은 2.07$\pm$0.11 cm2(평균 $\pm$ 표준오차)이었으며, 좌심실 수축력의 호전을 보였고, 판막부전의 정도는 전혀 판막부전 소견이 없어진 경우가 23례(53%), 경미한 폐쇄부전이 있는 경우가 18례(42%)였고, II도 부전의 소견을 보인 례가 2례(5%) 있었다.

Keywords

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